Looking at the universe of stocks we cover at Dividend Channel, on 5/2/13, Weis Markets, Inc. ( WMK) will trade ex-dividend, for its quarterly dividend of $0.30, payable on 5/20/13. As a percentage of WMK's recent stock price of $41.75, this dividend works out to approximately 0.72%, so look for shares of Weis Markets, Inc. to trade 0.72% lower — all else being equal — when WMK shares open for trading on 5/2/13.Below is a dividend history chart for WMK, showing historical dividends prior to the most recent $0.30 declared by Weis Markets, Inc.: In general, dividends are not always predictable; but looking at the history above can help in judging whether the most recent dividend from WMK is likely to continue, and whether the current estimated yield of 2.87% on annualized basis is a reasonable expectation of annual yield going forward. The chart below shows the one year performance of WMK shares, versus its 200 day moving average: Looking at the chart above, WMK's low point in its 52 week range is $37.65 per share, with $45.96 as the 52 week high point — that compares with a last trade of $41.75. According to the ETF Finder at ETF Channel, WMK makes up 2.44% of the Dynamic Retail Portfolio ETF ( PMR) which is trading relatively unchanged on the day Tuesday. In Tuesday trading, Weis Markets, Inc. shares are currently up about 0.4% on the day.